Exemplos de hwc_open em C++ (Cpp)

Exemplo n.º 1

Arquivo: HWComposer.cpp Projeto: richardxu/panda-a4

HWComposer::HWComposer(
        const sp<SurfaceFlinger>& flinger,
        EventHandler& handler,
        nsecs_t refreshPeriod)
    : mFlinger(flinger),
      mModule(0), mHwc(0), mList(0), mCapacity(0),
      mNumOVLayers(0), mNumFBLayers(0),
      mDpy(EGL_NO_DISPLAY), mSur(EGL_NO_SURFACE),
      mEventHandler(handler),
      mRefreshPeriod(refreshPeriod),
      mVSyncCount(0), mDebugForceFakeVSync(false)
{
#ifdef OMAP_ENHANCEMENT
    mListExt = NULL;
#endif
    char value[PROPERTY_VALUE_MAX];
    property_get("debug.sf.no_hw_vsync", value, "0");
    mDebugForceFakeVSync = atoi(value);

    bool needVSyncThread = false;
    int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
    ALOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
    if (err == 0) {
        err = hwc_open(mModule, &mHwc);
        ALOGE_IF(err, "%s device failed to initialize (%s)",
                HWC_HARDWARE_COMPOSER, strerror(-err));
        if (err == 0) {
            if (mHwc->registerProcs) {
                mCBContext.hwc = this;
                mCBContext.procs.invalidate = &hook_invalidate;
                mCBContext.procs.vsync = &hook_vsync;
#ifdef OMAP_ENHANCEMENT
                mCBContext.procs.extension_cb = &hook_extension_cb;
#endif
                mHwc->registerProcs(mHwc, &mCBContext.procs);
                memset(mCBContext.procs.zero, 0, sizeof(mCBContext.procs.zero));
            }
            if (mHwc->common.version >= HWC_DEVICE_API_VERSION_0_3) {
                if (mDebugForceFakeVSync) {
                    // make sure to turn h/w vsync off in "fake vsync" mode
                    mHwc->methods->eventControl(mHwc, HWC_EVENT_VSYNC, 0);
                }
            } else {
                needVSyncThread = true;
            }
        }
    } else {
        needVSyncThread = true;
    }

    if (needVSyncThread) {
        // we don't have VSYNC support, we need to fake it
        mVSyncThread = new VSyncThread(*this);
    }
}

Exemplo n.º 2

Arquivo: HWComposer.cpp Projeto: e0234/android_frameworks_base

HWComposer::HWComposer(const sp<SurfaceFlinger>& flinger)
    : mFlinger(flinger),
      mModule(0), mHwc(0), mList(0), mCapacity(0),
      mNumOVLayers(0), mNumFBLayers(0),
      mDpy(EGL_NO_DISPLAY), mSur(EGL_NO_SURFACE)
{
    int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
    ALOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
    if (err == 0) {
        err = hwc_open(mModule, &mHwc);
        ALOGE_IF(err, "%s device failed to initialize (%s)",
                HWC_HARDWARE_COMPOSER, strerror(-err));
        if (err == 0) {
            if (mHwc->registerProcs) {
                mCBContext.hwc = this;
                mCBContext.procs.invalidate = &hook_invalidate;
                mHwc->registerProcs(mHwc, &mCBContext.procs);
            }
        }
    }
}

Exemplo n.º 3

Arquivo: HWComposer.cpp Projeto: AshishNamdev/mozilla-central

int HWComposer::init() {
    int err = hw_get_module(HWC_HARDWARE_MODULE_ID, &mModule);
    LOGW_IF(err, "%s module not found", HWC_HARDWARE_MODULE_ID);
    if (err)
        return err;

    err = hwc_open(mModule, &mHwc);
    LOGE_IF(err, "%s device failed to initialize (%s)",
            HWC_HARDWARE_COMPOSER, strerror(-err));
    if (err) {
        mHwc = NULL;
        return err;
    }

    if (mHwc->registerProcs) {
        mCBContext.hwc = this;
        mHwc->registerProcs(mHwc, &mCBContext.procs);
    }

    return 0;
}